Upgrade your very first turret
Complete the tutorial
Build your very first building
Survive your very first attack wave
Destroy the game endboss "Final Destination"
Complete the campaign "Jungle Coast"
Complete the campaign "Desert"
Complete the campaign "Winter"
Complete the campaign "Badlands"
Destroy an amount of 10 enemies
Destroy an amount of 100 enemies
Destroy an amount of 1000 enemies
Destroy an amount of 10000 enemies
Build a SWARM site turret
Build a tesla turret
Build the mighty ragnarok station
Successfully destroy an enemy ship
Use the nuclear missile